199800463 has 2 divisors, whose sum is σ = 199800464. Its totient is φ = 199800462.

The previous prime is 199800449. The next prime is 199800467. The reversal of 199800463 is 364008991.

It is a strong prime.

It is an emirp because it is prime and its reverse (364008991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199800463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199800467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99900231 + 99900232.

It is an arithmetic number, because the mean of its divisors is an integer number (99900232).

Almost surely, 2^199800463 is an apocalyptic number.

199800463 is a deficient number, since it is larger than the sum of its proper divisors (1).

199800463 is an equidigital number, since it uses as much as digits as its factorization.

199800463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 199800463 is about 14135.0791649711. The cubic root of 199800463 is about 584.6089996866.

The spelling of 199800463 in words is "one hundred ninety-nine million, eight hundred thousand, four hundred sixty-three".